To provide yarn feeding rollers easily increasing holding power of a yarn with the pair of yarn feeding rollers even when the yarn brand, yarn count, etc., to be the object of yarn feeding are changed.

The apparatus is composed as follows. The apparatus is equipped with a transfer arm 10 freely movable between a standby position and a feeding position, the pair of yarn feeding rollers 1A composed of a driving roller and an elastic driven roller arranged at the tip on the side of moving the transfer arm and a wire body 5 making the driven roller freely come into contact with and separate from the driving roller. A driving source for operating the wire body 5 is arranged outside the moving range of the transfer arm.